GPS, Short baseline, Sample quantity, Precision estimation.
GPS定位，短基线，子样容量，精度评定。
The precision estimation of RCS is very important for aerocraft stealth design.
目标RCS的精确计算和预估是飞行器隐身设计极其重要的一部分。
The least square method for rock stress measurement is described in this paper. The method of precision estimation is improved.
本文从地应力测量数据误差处理的角度阐述了地应力计算的最小二乘法，对地应力测量精度评定方法进行了改进。
Precision estimation of principal direction is more objective by using principal stress deflection error proposed in this paper.
提出了主应力的偏角误差概念及其计算方法，使主应力方向的精度评定更加真实客观。
In this article the course of using computer to solve the problem of precision estimation about triangulation network is introduced.
介绍在平面三角网设计中，精度估算问题的计算机实现过程。
Specially, by use of this method, we can give high precision estimation of system error only using the tracking data of a set of MISTRAM.
运用该方法，只要一套MISTRAM系统的跟踪数据，就能给出自由飞行段常值系统误差的估计。
The methods of precision estimation of GPS RTK survey production are given in this paper, and their application is introduced with examples.
针对GPSRTK技术定位精度验后估计的欠缺，给出了GPS RTK测量成果的精度估计方法，通过实例介绍了此法的应用。
In construction of important and large buildings, a precision estimation and analysis of layout method are important data for working out survey plan.
在重大建筑物施工控制中，放样方法本身的精度估算及分析是制定测量方案的重要依据。
The test results show that a high-precision estimation of parameters and a reduced alignment time has been obtained by means of the Least Square Estimation.
试验表明：用最小二乘法作参数估计能缩短对准时间，并得到高精度的参数估计。
This paper concerns the application of effective numbers on precision estimation, choice of parameter, instrument choice and usage, and physical experiment design.
论述了在物理实验中有效数字在精度估计，参量选择，仪器选择和使用以及实验设计等方面的应用。
The practical formula for area of house property precision estimation is developed, from the relations of propagation between the analytical boundary points and the area.
由坐标解析法界址点与面积的误差传播关系、导出了面积精度估算的具体计算公式。
Problems concerned with the optimum design, precision estimation and control point positioning of the control network in construction survey of a power plant are introduced.
文中介绍某电厂施工测量中有关控制网的优化设计、精度估计及控制点位放样方法等问题。
Simulation results and real measuring data calculations show that the precision estimation efficiency can be obtained by our method for a large class of linear and nonlinear regression models.
仿真和实算结果表明，对于一大类线性和非线性回归模型，该方法给出的回归模型的参数估计效率的估计更接近模型参数估计效率的真值。
Estimation of GM (1, 1) model parameter usually adopts the least square criterion, but test of model precision often USES average relative error criterion.
估计GM(1,1)模型中的参数通常采用最小二乘准则，而在模型精度检验时又常采用平均相对误差。
A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.
为提高其精度，提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。
The experiment result indicated that the system improved the ranging precision, at the same time got more accurate estimation of the distance.
实验结果表明，系统提高了整体测距精度，得到了被测距离更加准确的估计。
The experiment result indicates that the system can improve the ranging precision and at the same time allows a more accurate estimation of the distance.
实验结果表明，系统提高了整体测距精度，得到了被测距离更加准确的估计。
If we heighten the precision of measuring equipment, the central difference's relative error of the estimation variance improved great, which is less than 10%.
若提高测量仪表精度，则中心差分法估计方差相对值明显改善，可提高到10%以内。
The influence of noise on identification precision, the effect factor of the computing precision and the reason of missing estimation some modes were analyzed and discussed.
从理论和试验两个方面分析和研究噪声对识别精度的影响，影响识别精度的因素，以及部分模态成分的模态参数不能够被识别的原因。
In a speed sensorless vector control system, the precision of speed estimation is relied on the precision of motor parameter.
在无速度传感器矢量控制系统中，转速估算的精度在很大程度上依赖于电机参数。
Such method could better track channel change and eliminate the noise remarkably in the received pilot signal, and the precision of channel estimation had been improved.
这种方法可以更好地跟踪信道变化，显著地消除接收到的导频信号中的加性噪声，提高信道估计精度。
In the Time-based Radio Location system, the precision and complexity of the time estimation algorithm are the key factors that affect the system performance.
在基于时间的无线定位系统中，时间估计算法的精度和复杂度是衡量系统性能的关键因素。
A high precision and high performance servo-drive system needs a rotating speed estimation algorithm which has high accuracy, fast response and high resolution in a wide range.
高精度高性能的伺服驱动系统需要在宽范围内有精度高、响应快及分辩率高的转速估计算法。
The parameter estimation achieved by this method is not unbiased. The precision of curve fitting is low.
但这种方法进行的参数估计不是无偏估计量，因此其非线性拟合精度较低。
The precision of Doppler center estimation is of great importance to the performance of Doppler Beam Sharpening (DBS).
多普勒中心估计精度的高低直接影响多普勒波束锐化(DBS)性能的优劣。
The combination of short time spectrum analysis, extraction and iteration has a high estimation precision and a little amount of computation.
该方法通过短时谱分析与抽取叠代相结合，提高了估计精度，减少了运算量。
Using the filter property of correlative Integral, the effect of noise in measured signal may be effectively restrained and the precision of parameter estimation is raised.
利用相关积分方法的滤波特性可以有效地抑制测量信号中的噪声影响，提高参数估计的精度。
With two types of observations, using Helmert variance component estimation, it can improve adjustment precision through multiple iterations.
并对两类观测值，利用赫尔默特方差分量估计，通过多次迭代计算，提高平差精度。
With two types of observations, using Helmert variance component estimation, it can improve adjustment precision through multiple iterations.
并对两类观测值，利用赫尔默特方差分量估计，通过多次迭代计算，提高平差精度。
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